Oil discharge device of automobile shock absorber

Abstract

The utility model discloses an oil discharge device of an automobile shock absorber, which belongs to the technical field of oil discharge devices and is characterized in that an upper sealing cover is connected with a lower liquid inlet / outlet hole I and a lower liquid inlet / outlet hole II on a shock absorber main body, and an upper one-way valve II and an upper one-way valve I are arranged in an upper liquid inlet / outlet hole I on the upper sealing cover; an upper one-way valve I in an upper liquid inlet and outlet hole I has the function of only entering but not exiting or only exiting but not entering, the function of conveniently replacing oil liquid is achieved, a lower liquid inlet and outlet hole I and a lower liquid inlet and outlet hole II are fixedly connected with an upper sealing cover, and a lower one-way valve I and a lower one-way valve II are installed in the lower liquid inlet and outlet hole I and the lower liquid inlet and outlet hole II respectively. A first lower one-way valve and a second lower one-way valve in a first lower liquid inlet and outlet hole and a second lower liquid inlet and outlet hole are of a only-in-and-no-out structure or a only-out-and-no-in structure respectively, oil is filtered through a filter plate after entering the upper sealing cover, the function that the first lower liquid inlet and outlet hole in one side is used for discharging, and the second lower one-way valve on the other side is used for introducing is achieved, and a circulating type filtering structure is achieved. The service life of equipment is prolonged.

Description

Technical Field

[0001] The utility model relates to an oil discharge device for an automobile shock absorber, belonging to the technical field of oil discharge devices. Background Art

[0002] For example, the application number: CN214146399U discloses a shock absorber oil discharge device, which includes an oil storage cylinder, a piston rod, a rotary cover, a first lifting ear and a second lifting ear, and also includes a splitting component, the splitting component includes a fixed rod, a bracket, a removal rod and at least two groups of clamping assemblies, one end of the fixed rod is fixedly connected to the bracket, and the other end is plugged into the first lifting ear, the removal rod runs through the bracket, and the removal rod is slidingly connected to the bracket, the removal rod can be plugged into the second lifting ear, the removal rod extends out of the second lifting ear and is provided with a pin, and the pin can limit the second lifting ear, and the clamping assembly can clamp the oil storage cylinder. A shock absorber oil discharge device, through the splitting component, facilitates the disassembly of the shock absorber, facilitates the discharge of oil in the oil storage cylinder, and then facilitates the compression of the shock absorber metal parts, thereby improving the recovery rate of the shock absorber oil.

[0003] Based on the search and analysis, we concluded that the existing technology still has shortcomings:

[0004] The prior art cannot realize the functions of automatic oil filtering, oil draining and oil guiding during use. Therefore, there is a need for an automobile shock absorber oil draining device to improve the above-mentioned deficiencies. Utility Model Content

[0005] The main purpose of the utility model is to provide an oil discharge device for an automobile shock absorber.

[0006] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0007] An automobile shock absorber oil discharge device comprises a shock absorber body for shock absorption, a connecting rod and a shock absorbing piston plate are movably connected in the shock absorber body, and the upper and lower ends of the shock absorber body are respectively covered with a bottom cover and an upper cover;

[0008] A filter plate is installed in the upper cover, an oil storage cavity is opened on the shock absorber body, a lower inlet and outlet hole 1 and a lower inlet and outlet hole 2 are opened on the oil storage cavity on the shock absorber body, and a lower check valve 1 and a lower check valve 2 connected to the upper cover are installed in the lower inlet and outlet hole 1 and the lower inlet and outlet hole 2;

[0009] A liquid draining group is installed on the upper cover, and the liquid draining group is used in conjunction with the lower liquid inlet and outlet hole 1 and the lower liquid inlet and outlet hole 2.

[0010] Preferably, the liquid discharge group comprises an upper liquid inlet and outlet hole 1 and an upper one-way valve 1, and the upper cover is provided with an upper liquid inlet and outlet hole 1, and an upper one-way valve 1 or an upper one-way valve 2 is installed in the upper liquid inlet and outlet hole 1.

[0011] Preferably, a buffer spring is sleeved on the upper end of the connecting rod on the upper cover, a connecting piece is installed on the upper end of the connecting rod, and a connecting hole is annularly opened on the connecting piece.

[0012] Preferably, the connecting rod is connected to be lifted and lowered along the middle of the upper cover, and a telescopic cavity is provided on the cover.

[0013] Preferably, the oil storage chamber is communicated with the inner side of the shock absorber body.

[0014] Preferably, the upper cover covering the shock absorber body is a detachable structure.

[0015] Preferably, the filter plate is a mesh structure.

[0016] Beneficial technical effects of the utility model:

[0017] The utility model provides an automobile shock absorber oil discharge device, wherein the shock absorber body is a shock absorbing structure body, a connecting rod is lifted and connected inside the shock absorber body, the upper and lower parts of the connecting rod are respectively covered with a bottom cover and an upper cover, the upper cover is a hollow structure, the upper cover is separated and filtered by a filter plate, the upper cover is connected with a lower inlet and outlet hole 1 and a lower inlet and outlet hole 2 on the shock absorber body, an upper check valve 2 and an upper check valve 1 are installed in the upper inlet and outlet hole 1 on the upper cover, and the upper check valve 1 in the upper inlet and outlet hole 1 has the function of only inlet and no outlet or only outlet and no inlet, so as to realize the function of facilitating oil replacement;

[0018] An oil storage chamber is provided on the shock absorber body, and the shock absorber body is equipped with a lower inlet and outlet hole 1 and a lower inlet and outlet hole 2 connected with the oil storage chamber, and the lower inlet and outlet hole 1 and the lower inlet and outlet hole 2 are fixedly connected to the upper cover, and a lower check valve 1 and a lower check valve 2 are respectively installed in the lower inlet and outlet hole 1 and the lower inlet and outlet hole 2, and the lower check valve 1 and the lower check valve 2 in the lower inlet and outlet hole 1 and the lower inlet and outlet hole 2 are respectively an inlet-only, no-outlet, or an outlet-only, no-inlet structure. After the oil enters the upper cover, it is filtered through the filter plate, so that the lower inlet and outlet hole 1 on one side is for discharge, and the lower check valve 2 on the other side is for introduction, so as to realize a circulating filtering structure, improve the life of the equipment, and facilitate oil discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall three-dimensional structure of an automobile shock absorber oil discharge device according to a preferred embodiment of the utility model;

[0020] Figure 2 A schematic diagram of the structure of a shock absorber rod according to a preferred embodiment of an oil discharge device for a shock absorber of an automobile according to the utility model;

[0021] Figure 3A schematic diagram of a shock-absorbing shell according to a preferred embodiment of an oil-discharging device for a shock absorber of an automobile according to the utility model;

[0022] Figure 4 The utility model is a schematic diagram of a sealing cover structure of a preferred embodiment of an oil discharge device for an automobile shock absorber according to the present utility model.

[0023] In the figure: 1. shock absorber body; 2. bottom cover; 3. upper cover; 4. connecting piece; 5. connecting hole; 6. buffer spring; 7. upper inlet and outlet hole 1; 8. lower inlet and outlet hole 1; 9. connecting rod; 10. shock absorber piston plate; 11. oil storage chamber; 12. lower inlet and outlet hole 2; 13. lower one-way valve 1; 14. lower one-way valve 2; 15. telescopic chamber; 16. upper one-way valve 1; 17. upper one-way valve 2; 18. filter plate. DETAILED DESCRIPTION

[0024] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation methods of the present invention are not limited thereto.

[0025] like Figure 1 - Figure 4 As shown, the present embodiment provides an automobile shock absorber oil discharge device, comprising a shock absorber body (1) for shock absorption, wherein a connecting rod (9) and a shock absorbing piston plate (10) are movably connected in the shock absorber body (1), and the upper and lower ends of the shock absorber body (1) are respectively covered with a bottom cover (2) and an upper cover (3);

[0026] A filter plate (18) is installed in the upper cover (3); an oil storage chamber (11) is provided on the shock absorber body (1); a lower inlet and outlet hole (8) and a lower inlet and outlet hole (12) are provided on the oil storage chamber (11) on the shock absorber body (1); a lower check valve (13) and a lower check valve (14) connected to the upper cover (3) are installed in the lower inlet and outlet hole (8) and the lower inlet and outlet hole (12);

[0027] A liquid drainage group is installed on the upper cover (3), and the liquid drainage group is used in conjunction with the lower liquid inlet and outlet hole 1 (8) and the lower liquid inlet and outlet hole 2 (12).

[0028] The liquid discharge group comprises an upper liquid inlet and outlet hole (7) and an upper one-way valve (16). The upper cover (3) is provided with an upper liquid inlet and outlet hole (7) respectively. An upper one-way valve (16) or an upper one-way valve (17) is installed in the upper liquid inlet and outlet hole (7).

[0029] A buffer spring (6) is sleeved on the upper end of the connecting rod (9) on the upper cover (3), a connecting piece (4) is installed on the upper end of the connecting rod (9), and a connecting hole (5) is formed in an annular shape on the connecting piece (4).

[0030] The connecting rod (9) is connected and lifted along the middle of the upper cover (3), and a telescopic cavity (15) is provided on the cover (3).

[0031] The oil storage chamber (11) is communicated with the inner side of the shock absorber body (1).

[0032] The upper cover (3) covering the shock absorber body (1) is a disassembly structure.

[0033] The filter plate (18) is a mesh structure.

[0034] like Figure 1 - Figure 4 As shown, the working process of the automobile shock absorber oil discharge device provided in this embodiment is as follows: the device is fixedly connected to the vehicle body, the shock absorber oil is injected into the oil storage chamber (11), and the connecting piece (4), the connecting rod (9) and the shock absorber piston plate (10) are squeezed toward the shock absorber body (1). During the squeezing process, the oil enters the oil storage chamber (11), enters the upper cover (3) through the push of the shock absorber piston plate (10), and is filtered to the other side through the filter plate (18). The oil originally stored in the oil storage chamber is squeezed out through the lower inlet and outlet hole 2 (12) and the lower one-way valve 2 (14) to enter the oil storage chamber (11), thereby realizing the function of circulating shock absorption and filtering.

[0035] Embodiment 1

[0036] like Figure 1 - Figure 4 As shown, the shock absorber body (1) is a shock absorbing structure body, the shock absorber body (1) and the lifting connection are connected by a connecting rod (9), the upper and lower parts of the connecting rod (9) are respectively covered with a bottom cover (2) and an upper cover (3), the upper cover (3) is a hollow structure, the upper cover (3) is separated and filtered by a filter plate (18), the upper cover (3) is connected with the lower inlet and outlet hole 1 (8) and the lower inlet and outlet hole 2 (12) on the shock absorber body (1), the upper inlet and outlet hole 1 (7) on the upper cover (3) is installed with an upper check valve 2 (17) and an upper check valve 1 (16), the upper check valve 1 (16) in the upper inlet and outlet hole 1 (7) is used to realize the function of only inlet and no outlet or only outlet and no inlet, so as to realize the function of facilitating oil replacement.

[0037] Embodiment 2

[0038] like Figure 1 - Figure 4As shown, the shock absorber body (1) is provided with an oil storage chamber (11), and the shock absorber body (1) is provided with a lower inlet and outlet hole (8) and a lower inlet and outlet hole (12) which are connected to the oil storage chamber (11), the lower inlet and outlet hole (8) and the lower inlet and outlet hole (12) are fixedly connected to the upper cover (3), and a lower check valve (13) and a lower check valve (12) are respectively installed in the lower inlet and outlet hole (8) and the lower inlet and outlet hole (12). 14), the lower one-way valve one (13) and the lower one-way valve two (14) in the lower inlet and outlet hole one (8) and the lower inlet and outlet hole two (12) are respectively structures of only inlet but not out or only out but not in. After the oil enters the upper cover (3), it is filtered by the filter plate (18), so that the lower inlet and outlet hole one (8) on one side is for discharge and the lower one-way valve two (14) on the other side is for introduction, so as to realize a circulating filtering structure, improve the service life of the equipment and facilitate oil discharge.

[0039] The above is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the scope disclosed by the present invention according to the technical solution and concept of the present invention, which fall within the protection scope of the present invention.

Claims

1. An automobile shock absorber oil discharge device, comprising a shock absorber body (1) for shock absorption, wherein a connecting rod (9) and a shock absorbing piston plate (10) are movably connected in the shock absorber body (1), and the upper and lower ends of the shock absorber body (1) are respectively covered with a bottom cover (2) and an upper cover (3); Features: A filter plate (18) is installed in the upper cover (3); an oil storage chamber (11) is provided on the shock absorber body (1); a lower inlet and outlet hole (8) and a lower inlet and outlet hole (12) are provided on the oil storage chamber (11) on the shock absorber body (1); a lower check valve (13) and a lower check valve (14) connected to the upper cover (3) are installed in the lower inlet and outlet hole (8) and the lower inlet and outlet hole (12); A liquid drainage group is installed on the upper cover (3), and the liquid drainage group is used in conjunction with the lower liquid inlet and outlet hole 1 (8) and the lower liquid inlet and outlet hole 2 (12).

2. The oil discharge device for automobile shock absorber according to claim 1, characterized in that: The liquid discharge group comprises an upper liquid inlet and outlet hole (7) and an upper one-way valve (16). The upper cover (3) is provided with an upper liquid inlet and outlet hole (7) respectively. An upper one-way valve (16) or an upper one-way valve (17) is installed in the upper liquid inlet and outlet hole (7).

3. The oil discharge device for automobile shock absorber according to claim 2, characterized in that: A buffer spring (6) is sleeved on the upper end of the connecting rod (9) on the upper cover (3), a connecting piece (4) is installed on the upper end of the connecting rod (9), and a connecting hole (5) is formed in an annular shape on the connecting piece (4).

4. The oil discharge device for automobile shock absorber according to claim 3, characterized in that: The connecting rod (9) is connected and lifted along the middle of the upper cover (3), and a telescopic cavity (15) is provided on the cover (3).

5. The oil discharge device for automobile shock absorber according to claim 4, characterized in that: The oil storage chamber (11) is communicated with the inner side of the shock absorber body (1).

6. The oil discharge device for automobile shock absorber according to claim 5, characterized in that: The upper cover (3) covering the shock absorber body (1) is a disassembly structure.

7. The oil discharge device for automobile shock absorber according to claim 6, characterized in that: The filter plate (18) is a mesh structure.

Images